BROWN chops in hot oil in large skillet on high heat. Cook on medium-high heat 5 min. on each side or until chops are cooked through (145°F), adding onions after the first 5 min. Remove chops from skillet, reserving onions in skillet; cover chops to keep warm. Let stand 3 min.
ADD broccoli and water to skillet; stir. Bring to boil. Add stuffing mix; stir just until moistened.
RETURN chops to skillet; sprinkle with cheese. Cover; cook on low heat 5 min. or until cheese is melted.