COOK and stir chicken in large skillet sprayed with cooking spray on medium heat 5 min. Add vegetables; cook 5 min. or until chicken is done and vegetables are crisp-tender.
ADD sauce and pasta; cook 5 min. or until heated through, stirring occasionally.
STIR in 1 cup cheese; top with remaining cheese. Cover; let stand 2 min. or until cheese is melted.
