COMBINE dressing and crushed red pepper. Pour half the dressing mixture over fish in sealable plastic bag. Seal bag. Refrigerate 15 minutes to marinate. Place peppers in a separate sealable plastic bag. Add remaining marinade; seal bag. Shake bag gently until peppers are evenly coated.
REMOVE fish from marinade; discard marinade. Remove peppers from marinade, reserving marinade. Place peppers on grill over medium-high heat. Top with fish; cover grill. Cook 4 minutes; turn fish over. Brush with reserved marinade from peppers. Grill, covered, an additional 2 minutes or until fish flakes easily with fork.
REMOVE fish and peppers from grill. Let stand 3 minutes. Sprinkle with cheese and cilantro.