Meanwhile, cook bacon in large skillet on medium heat 4 to 5 min or until crisp. Use slotted spoon to remove bacon from skillet, reserving drippings in skillet. Drain bacon on paper towels. Add onions and garlic to drippings; cook and stir 2 min. Add ground beef; cook and stir 6 to 7 min. or until no longer pink. Stir in bacon, cream cheese spread, spinach, mozzarella and herbs.