Preheat oven to 400°F.
Cook sausage in a large cast-iron Dutch oven over medium heat, stirring occasionally, 4 to 5 minutes or until browned. Remove sausage with a slotted spoon, and drain on paper towels, reserving drippings in Dutch oven.
Sprinkle chicken with salt. Cook chicken in hot drippings over medium-high heat 2 to 3 minutes on each side or until browned. Remove from Dutch oven.
Add onion and next 3 ingredients to Dutch oven, and cook, stirring often, 5 minutes or until onion is tender.
Add beans, next 4 ingredients, chicken, and sausage; cover with lid.
Bake, covered, at 400°F for 40 minutes or until bubbly.
