HEAT large skillet on high heat. Add 2 Tbsp. dressing, chops and onions; cook 3 min., stirring onions occasionally. Turn chops over; cook 2 to 3 min. until chops are done (160ºF). Transfer chops to plate; cover to keep warm.
ADD apples, remaining dressing, water and sugar to onions in skillet; stir. Cook on medium-low heat 3 min., stirring occasionally. Meanwhile, prepare stuffing as directed on package.
RETURN chops to skillet; top with apple mixture. Spoon stuffing around edge of skillet; cover. Cook 5 min. or until stuffing is heated through.
