The rosary is prayer counted bead by bead, and tradition reads it as patience, devotion and comfort through repetition. Holding one in a dream points to seeking calm in a familiar rhythm.
Does the traditional reading fit your dream, or did it mean something else to you?
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.