GRATE zest from 1 orange; mix with 2 Tbsp. dressing and honey. Pour over chicken in shallow glass dish. Refrigerate 30 min. to marinate, turning after 15 min. Remove chicken from marinade; discard marinade.
HEAT broiler. Broil chicken, 4 inches from heat, 5 min. on each side or until done (165ºF). Transfer to cutting board; cover with foil. Let stand 5 min. Meanwhile, peel and slice oranges.
SLICE chicken. Cover platter with lettuce; top with oranges, chicken, onions and bacon. Drizzle with remaining dressing.