HEAT grill to medium heat.
THREAD chicken onto 8 skewers alternately with peppers, zucchini and peaches; place in shallow dish.
POUR dressing over kabobs; turn to evenly coat. Refrigerate 10 min. to marinate. Drain; discard marinade.
GRILL kabobs 5 min. on each side or until chicken is done. Serve over salad greens.