POUR 1/4 cup dressing over chicken in shallow dish; turn to coat both sides of each breast. Refrigerate 30 min. to marinate. Remove chicken from marinade; discard marinade.
HEAT grill to medium heat. Grill chicken 5 to 7 min. on each side or until done (165°F). Cut into thin slices.
TOSS lettuce with chicken and all remaining ingredients.