Saving an animal is read as compassion and protectiveness toward the vulnerable. Tradition also sees in it care for your own instincts, the wilder side of you that needs looking after.
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.