COOK rice as directed on package.
MEANWHILE, toss meat with 1 Tbsp. of the dressing and the garlic. Add cornstarch; mix well. Heat large nonstick skillet sprayed with cooking spray on medium-high heat. Add meat mixture; stir-fry 3 min. or until meat is cooked through. Remove from skillet; cover to keep warm.
ADD vegetables, soy sauce, ginger and remaining dressing to skillet; stir-fry 5 min. or until vegetables are crisp-tender. Return meat mixture to skillet; stir-fry 1 min. or until meat is heated through and sauce is thickened, stirring occasionally. Serve over rice; sprinkle with peanuts.