HEAT 2 Tbsp. dressing and 1 Tbsp. soy sauce in large nonstick skillet on medium heat. Add chicken; stir-fry 3 min. or until done. Remove from skillet; cover to keep warm.
ADD all remaining ingredients except bean sprouts to skillet; stir-fry 5 min. or until vegetables are crisp-tender.
STIR in chicken and bean sprouts; stir-fry 3 to 5 min. or until heated through.