Prepare stuffingmix according to package directions and place in 5-quart crock pot. Stir in 2 cans of the soup.
In a mixing bowl, stir together cubed chicken, remaining can of soup and milk. Spread over stuffing in crockpot. Sprinkle cheese over top. Cover and cook on LOW for 4 to 6 hour or on HIGH for 2 to 3 hours.