1. Gather the ingredients.
2. Place chicken, condensed soup, onion, and butter in a slow cooker. Add enough water to cover; stir well. Cover and cook on High for 5 to 6 hours.
3. About 30 minutes before serving, tear biscuit dough into pieces. Place dough in the slow cooker. Cook until dough is no longer raw in the center.
4. Serve hot and enjoy!