MIX dressing and garlic in large skillet. Cook on medium heat 1 min. Add chicken; season with 3/4 tsp. of the basil and the pepper. Cook 4 to 5 min. on each side or until chicken is cooked through (165ºF).
ADD vegetables to skillet; sprinkle with remaining 1/4 tsp. basil. Cook 2 to 3 min. or until vegetables are heated through, stirring occasionally.
SPRINKLE with the cheese.