1 lb. boneless skinless chicken breasts, cut into strips
1 eachgreen and red pepper, cut into strips
1 onion, cut into thin wedges
1/2 cup KRAFT Original Barbecue Sauce
8 flour tortillas (6 inch), warmed
1 cup KRAFT Mexican Style Finely Shredded Four Cheese
1/2 cup TACO BELL® HOME ORIGINALS® Thick 'N Chunky Salsa
1/4 cup BREAKSTONE'S or KNUDSEN Sour Cream
COMBINE chicken, vegetables and barbecue sauce. Let stand 5 min. Poke holes evenly in bottom of 13x9-inch disposable foil roasting pan with fork or skewer. Place chicken mixture in pan; place pan on grate of grill. Cover grill with lid.
GRILL chicken and vegetables 20 min. or until chicken is done and vegetables are crisp-tender, stirring occasionally.
SPOON onto tortillas; top with remaining ingredients. Roll up.