HEAT oven to 375ºF.
MIX cream cheese spread, 2 Tbsp. milk and seasoning until blended.
HEAT oil in large nonstick skillet on medium heat. Add chicken and garlic; cook and stir 6 to 7 min. or until chicken is done. Stir in cream cheese mixture and all remaining ingredients except bacon. Spoon into 1-1/2-qt. casserole sprayed with cooking spray; cover.
BAKE 10 min. Top with bacon; bake, uncovered, 15 min. or until casserole is heated through.