HEAT large nonstick skillet on medium-high heat. Add dressing, onions and garlic; cook 2 min. Stir in tomatoes; cook 12 min., stirring occasionally. Meanwhile, cook pasta as directed on package.
ADD shrimp to sauce in skillet; cook 2 min. or until heated through. Remove from heat.
DRAIN pasta; toss with shrimp mixture. Sprinkle with cheese.