BRING hominy, milk and 1/2 tsp. of the cayenne pepper to boil in saucepan. Reduce heat to low; simmer 15 min. or until hominy is softened. Set aside; keep warm.
MEANWHILE, cook bacon in large nonstick skillet 5 min. or until browned. Add celery, onions, and green pepper; cook and stir 3 min.
STIR in tomato sauce and remaining 1/4 tsp. cayenne pepper; bring to boil. Reduce heat to low. Add shrimp; cover. Simmer 5 min. or until shrimp turn pink.
PLACE hominy mixture in blender; cover. Blend until smooth. Transfer to serving bowl; stir in cheese. Serve immediately topped with shrimp mixture.