HEAT oil in large nonstick skillet on medium-high heat. Add chicken; cook 5 min. on each side or until cooked through (165ºF). Remove chicken from skillet; cover to keep warm.
ADD soup and milk to skillet; mix well. Bring to boil. Stir in broccoli and rice; top with chicken. Cover. Reduce heat to low.
COOK 5 min.; sprinkle with cheese. Remove from heat. Let stand, covered, 5 min. or until cheese is melted.