Rustic italian chicken & rice

Chicken second courses

¼ cup KRAFT Tuscan House Italian Dressing, divided 4 small boneless skinless chicken breasts (1 lb.) 1 onion, sliced 1 zucchini, cut in half lengthwise, then crosswise into ½-inch-thick slices 1 red pepper, cut into strips 1-¾ cups spaghetti sauce 2 cups hot cooked long-grain brown rice ½ cup KRAFT 2% Milk Shredded Italian* Three Cheese Blend 2 Tbsp. KRAFT Grated Parmesan Cheese