Cheesy BBQ Chicken Wraps

1 lb. small boneless skinless chicken breast halves
2 green peppers, cut into wedges
1 onion, sliced
1/2 cup Barbecue Sauce
4 flour tortillas (9 inch)
1 cup Mexican Style Finely Shredded Four Cheese

PREHEAT greased grill to medium heat. Place chicken and vegetables on greased grill grate.
GRILL chicken 6 to 7 min. on each side and grill vegetables 4 to 5 min. on each side or until chicken is cooked through (165ºF) and vegetables are crisp-tender, brushing frequently with the barbecue sauce.
CUT chicken and vegetables into thin strips; spoon evenly onto tortillas. Top with cheese; roll up.