If you have the dairy, then such dream signifies the fact that you are very lucky and rich or soon will become such person. If you are in a dairy then it means you are been very weak person and must let others work on you.
Dream dictionary: Dairy dream meanings
To dream you are in a dairy, skimming the cream off the milk, and that your sweetheart partakes of the cream, denotes him inclined to luxury. But if he drinks the milk, it is a sign of frugality.
…To dream you are in a dairy, busy at work, is a very favourable omen; to the maid it indicates that her lover will be of an industrious turn and will rise to honour. To the farmer, it denotes that his crops will be abundant; to the tradesman, good news….
…Dairy is a good dream both to the married and unmarried. See Churning Butter….
If you are in a dairy, while dreaming then it means you will get a positive omen. Lots of luck will visit you and you will always have the tough ground under your feet.
Luck in business, becoming rich, safe travelling.
…A cow in a dream represents longevity. A black or a yellow cow represents happiness, prosperity and a good harvest. A white spot on a cow’s face means firmness if seen in a dream at the early part of the year. The piebald cow or a cow blotched with white and black in a dream means the same, though the latter also represents firmness when seen in the middle of the year. A fat cow in a dream represents longevity and prosperity. A fat cow in a dream also may represent a pious woman. An emaciated cow in a dream represents drought. Drinking cow’s milk or eating its meat or fat in a dream means prosperity and earning lawful income for that year. If the cow has horns, it represents a rebellious woman. If a dairy cow allows the person to draw her milk in a dream, it means…
…loss. To dream that you’re bathing in milk symbolizes your desire for amusement, pleasures, luxuries, etc. This dream is more common among women who experience hardships and want to live in abundance. To dream that you’re milking a cow or any other animal insinuates that you´ll soon be presented good opportunities that you should take advantage of. If the milk falls outside the bucket it suggests that you doubt about taking those opportunities. To dream of sour milk symbolizes your own discomfort, restlessness and fear of getting sick. When you dream that you are drinking milk while eating other foods, especially if such food is seafood, it suggests that you fear that you may be required to perform unpleasant tasks, therefore this dream suggests an intimate rebellion against something that has not happened. To dream that you are the owner of a dairy and that milk is at your sight…