HEAT oven to 425ºF.
COOK bacon in large skillet until crisp. Remove bacon from skillet, reserving 2 Tbsp. drippings in skillet. Drain bacon on paper towels.
POUR drippings into large bowl. Add dressing, mustard and sugar; mix well. Reserve 1 Tbsp. dressing mixture; set aside. Toss vegetables with remaining dressing mixture; spread onto rimmed baking sheet sprayed with cooking spray.
BAKE 30 min. or until vegetables are tender, turning after 15 min.
SPOON vegetables into bowl. Add bacon and reserved dressing mixture; mix lightly.