BROWN chops in oil in large nonstick skillet on medium-high heat 3 min. on each side. Remove from skillet; set aside.
ADD 2 Tbsp. of the dressing, onions, garlic and rosemary to skillet. Cook 3 min.
RETURN chops to skillet. Add pears and remaining 2 Tbsp. dressing. Simmer on medium heat 10 min. or until chops are cooked through (160ºF). Arrange chops on platter; spoon sauce over chops.