HEAT oven to 400°F.
COMBINE rice, boiling water and dressing in 8-inch square baking dish; cover. Let stand 5 min. Meanwhile, coat chicken with coating mix as directed on package.
ADD tomatoes and garlic powder to rice mixture; mix well. Top with broccoli and chicken.
BAKE 45 min. or until chicken is done (165°F). Sprinkle with cheese; bake 5 min. or until melted.