PLACE fish on foil-covered baking sheet sprayed with cooking spray. Broil, 4 inches from heat, 4 min. Meanwhile, mix mayo and dill weed until blended.
REMOVE fish from broiler. Spread with mayo mixture; sprinkle with cheese.
BROIL 2 to 4 min. or until topping is golden brown and fish flakes easily with fork. Serve with lemon wedges.