FOR each serving: Grill 1 beef patty on medium-high heat 2 to 3 min. on each side or to medium (160ºF), or desired doneness. Meanwhile, grill 2 ham slices 1 min. on each side or until heated through.
SPREAD 1/2 Tbsp. steak sauce onto bottom half of roll; top with burger, 2 ham slices, 1 each pineapple slice and onion slice, and 1 Tbsp. of the remaining steak sauce. Cover with top of roll.