PREHEAT barbecue to medium-high heat. Toss pork, broccoli, carrots, orange, dressing and soy sauce in bowl.
POKE small holes in bottom of large disposable aluminum foil pan. Spoon pork mixture into pan. Grill covered 15 min., stirring often, until pork is cooked through and vegetables are crisp-tender.
SPRINKLE with cashews. Serve over cooked rice, if desired.