The chores in a dream, represents the responsibilities you have in your waking life. The more detailed interpretation could be found on the explanation of the dream such as Housework.

You are trying to overcome difficulties in your home environment, but also feel overwhelmed by household chores.

…scents suggestive of all the charms of an idyllic summer; made me long to linger there for ever, and, in an ecstasy of delight, I flew from flower to flower, filling my lungs with their soul-inspiring nectar. While engaged in this entrancing pastime, I heard the joyful utterance of a bird, and on looking up, perceived a lark. With a movement of its little head, which plainly bade me follow, it flew slowly away, and, obeying its injunction I speedily found myself on the banks of a stream where a boat lay moored. Springing into it and taking up the oars, I pushed out into the middle of the current, the lark still continuing to be my guide.The stream, in whose marvellous pellucid depths was reflected the red green of the foliage that lined its shores, took a thousand turns, so that one could never see any great stretch of…

The dream about your grandchild, denotes to the memories and rebirth of the ideas and thoughts in general. Perhaps you have lots of experience and now you can start things from the very beginning. The dream also represents your family and its importance to your life. On the other hand, the dream could show the tiredness you are suffering from while doing all of the chores and duties.