PREHEAT oven to 400ºF. Toss vegetables with dressing; spoon into half of 13x9-inch baking dish.
BAKE 30 min., stirring after 15 min. Coat chicken with coating mix as directed on package. Arrange chicken in single layer next to vegetables. Bake 20 min.
SPRINKLE with cheese; bake an additional 5 min. or until chicken is cooked through (170ºF) and vegetables are tender.