Combine cumin, poultry seasoning, celery seed, and pepper, sprinkle or rub over chicken.
Place chicken into cooker and lay pats of butter on top. Cover with peas, carrots, and onion. Cover evenly with cream of chicken and cream of mushroom. Add chicken broth.
Cover, and cook for 6 hours on High or 8 hours on Low. Roughly 2 hrs before serving (at the 4 hr mark on high or the 6 hr mark on low), shred the chicken and return it to pot. Open the dough and tear each precut biscuit into 4 smaller pieces. Place the torn biscuit dough on top of the chicken mixture and make sure that you push them down into the liquid mixture a little, so that they get cooked on the tops, too and saturated with the chicken flavor. Cook until the dough is no longer raw in center (about 2 hrs). If you cooked it on Low, turn it up to high now for the last 2 hours so dough cooks thoroughly. Take top off crock last 20-30 min to dry out dumplings they seem too dough-y.
If too dry, add chicken broth. If too watery, add cornstarch mixed in a little broth.
These are definitely dumplings. Consider baking biscuits separately and pour the chicken mixture over the hot biscuits if you prefer large, fluffy, browned biscuits (chicken and biscuits).
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