TOSS chicken with cornstarch and 1 Tbsp. of the dressing in medium bowl; cover. Refrigerate 15 min.
HEAT large nonstick skillet on medium-high heat. Add chicken; cook 5 min. or until chicken is cooked through, stirring frequently. Add vegetables and remaining dressing; cook an additional 5 min. or until heated through. Stir in almonds.
SERVE over the rice.