HEAT oven to 350ºF.
POUND chicken to 1/4-inch thickness. Top with prosciutto and sage; sprinkle evenly with cheese. Roll up tightly, starting at 1 short end of each.
MIX bread crumbs, 2 Tbsp. dressing and garlic in medium bowl. Place flour and egg in separate bowls. Coat each chicken roll-up with flour, egg and crumb mixture; place in 12x8-inch baking dish. Drizzle with remaining dressing.
BAKE 32 to 35 min. or until chicken is done (165ºF).