BRUSH chicken with 2 tsp. dressing.
COOK in nonstick skillet on medium-high heat 2 min. on each side or until browned on both sides; cover. Simmer on medium-low heat 5 min. or until done (165ºF), turning occasionally. Slice chicken.
COVER 2 plates with lettuce; top with oranges, vegetables, chicken and nuts. Drizzle with remaining dressing.