PREPARE stuffing mix as directed on package. Heat large nonstick skillet on medium-high heat. Add chicken; cover. Cook 5 to 7 min. on each side or until chicken is cooked through (170ºF). Remove chicken from skillet; keep warm.
ADD vegetables, water and soup to skillet; cover. Cook 6 min. or until heated through, stirring often.
RETURN chicken to skillet. Cook and stir 1 min. or until chicken is coated and heated through. Serve with stuffing.