(Nutrition information is calculated using an ingredient database and should be considered an estimate.)
Make deep cut in center of each chicken breast half to form pocket with knife parallel to cutting board. Evenly stuff pockets with mozzarella and sun-dried tomatoes. Sprinkle tops with basil.
Melt Country Crock® Spread in large nonstick skillet over medium-high heat and cook chicken, top side down, 3 to 4 minutes until browned; turn. Reduce heat to medium-low and cook, covered, 12 minutes or until chicken is thoroughly cooked. Serve with pan juices.