PREHEAT oven to 400ºF. Place chicken in foiled-lined 15x10x1-inch baking pan.
TOP each chicken breast with 1 bacon slice and 2 tomato slices. Drizzle evenly with dressing.
BAKE 15 min.; sprinkle evenly with cheese. Bake an additional 5 min. or until cheese is melted and chicken is cooked through (165ºF).