Meanwhile, melt 1 Tbsp. butter in large skillet on medium heat. Add shrimp; cook and stir 2 to 3 min. or until shrimp turn pink. Remove shrimp from skillet; set aside. Add garlic and remaining butter to skillet; cook 1 min., stirring frequently. Add milk and cream cheese spread; cook 2 to 3 min. or until cream cheese is completely melted and sauce is well blended, stirring frequently.