Meanwhile, heat 2 Tbsp. dressing in large skillet on medium heat. Add shrimp; cook and stir 2 to 3 min. or until shrimp turn pink. Use slotted spoon to remove shrimp from skillet; cover to keep warm.
Season with salt and pepper, then set aside. Prepare The Shrimp 1. In a saucepan, melt 2 tbsp butter and whisk in the flour to form a roux. 2. Gradually add milk, whisking until smooth and thickened.
Mix well to combine. Add the shrimp and toss to evenly coat. Allow it to marinate for 20 minutes under refrigeration. Meanwhile, in a small bowl whisk all the dressing ingredients until well combined.