COOK pasta as directed on package. Meanwhile, heat dressing in large skillet on medium heat. Add shrimp; cook and stir 2 to 3 min. or until shrimp turn pink, adding garlic for the last minute. Remove shrimp with slotted spoon; set aside.
ADD cream cheese spread and broth to skillet; cook until cream cheese is completely melted, stirring frequently. Stir in shrimp and 3 Tbsp. Parmesan.
DRAIN pasta. Add to skillet; toss to coat. Transfer to platter; sprinkle with remaining Parmesan and parsley.