Seeing a pet that has died is read as a visit of comfort and continued bond. Dream books see it as grief processing, and as unconditional love that remains in memory. A pet that looks healthy and happy is read as peace with the loss, while a pet that seems lost or sick points to grief still unsettled. Playing with it again is linked to longing for its steady companionship. Dreaming that a living pet has died is read as fear of losing comfort, not as a warning. It can help to notice what that animal gave you that you still need.
Has this come up in your dreams before? What was going on in your life then?
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.