Foster care is read as belonging that is temporary or uncertain. Tradition sees it as care given and received across a gap, and as the hope of a place that will last.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.