COOK and stir vegetables in 2 Tbsp. of the dressing in large nonstick skillet 10 minutes or until crisp-tender.
ADD chicken and remaining 4 Tbsp. dressing; cook and stir an additional 5 minutes or until heated through.
SPOON chicken mixture evenly over tortillas; roll up. Top with your favorite fajita toppings, such as KRAFT Shredded Cheddar Cheese, BREAKSTONE'S or KNUDSEN Sour Cream and sliced pitted black olives.