Transfer beans to crockpot. Add chicken, potatoes, chicken broth, vegetable juice, celery, onion, chili powder, salt and hot pepper sauce, mixed together.
Cover. Cook on Low for 4 hours. Turn to High and heat until bubbly. Add water at this point if needed.
Combine biscuit mix, cornmeal, 1/2 cup cheese and parsley. Add milk and stir until just moistened. Drop by tablespoons onto stew; cover. Cook 2 1/2 hours more (don't lift cover). Sprinkle dumplings with rest of cheese.