Fiesta Chicken Enchiladas

1 small onion, chopped
1 clove garlic, minced
4 cooked small chicken breasts (about 1 lb.), shredded
1 cup TACO BELL® HOME ORIGINALS® Thick 'N Chunky Salsa, divided
4 oz. (1/2 of 8-oz. pkg.) PHILADELPHIA Cream Cheese, cubed
1 Tbsp. chopped cilantro
1 tsp. ground cumin
1 cup KRAFT Shredded Cheddar & Monterrey Jack Cheese, divided
8 TACO BELL® HOME ORIGINALS® Flour Tortillas
PREHEAT oven to 350°F. Heat large skillet spayed with cooking spray on medium heat. Add onions and garlic; cook and stir 2 min. Add chicken, 1/4 cup of the salsa, cream cheese, cilantro and cumin; mix well. Cook until heated through, stirring occasionally. Add 1/2 cup of the shredded cheese; mix well.
SPOON about 1/3 cup of the chicken mixture onto each tortilla; roll up. Place, seam-side down, in 13x9-inch baking dish sprayed with cooking spray; top with remaining 3/4 cup salsa and remaining 1/2 cup shredded cheese.
BAKE 15 to 20 min. or until heated through.