COOK chops in oil in large nonstick skillet on medium-high heat 3 min. on each side or until browned on both sides. Remove chops from skillet; set aside.
ADD onions, garlic, rosemary and 2 Tbsp. dressing to skillet; stir. Cook 3 min., stirring occasionally. Return chops to skillet. Add pears and remaining dressing; simmer on medium 10 min. or until chops are done (160ºF).
SERVE chops topped with the sauce.