HEAT oven to 400ºF. Toss vegetables with dressing; spoon half into 13x9-inch baking dish.
BAKE 30 min., stirring after 15 min. Coat chicken with coating mix as directed on package; place in single layer next to vegetables. Bake 20 min. or until vegetables are tender and chicken is done (170ºF).
TOP with cheese; bake 5 min. or until lightly browned.