HEAT large nonstick skillet sprayed with cooking spray on medium-high heat. Add chops and onions; cook 10 min. or until chops are done (160°F), turning chops and stirring onions after 5 min. Remove chops from skillet; set aside.
COOK and stir onions 5 min. or until golden brown; stir in Worcestershire sauce. Return chops to skillet. Spoon onions over chops.
MIX stuffing mix and water; spoon around edge of skillet. Top with cheese; cover. Cook 5 min. or until cheese is melted.