Meanwhile, mix meat, Worcestershire sauce and dry seasonings just until blended; shape into 4 (1/2-inch-thick) patties. Grill 4 to 5 min. on each side or until done (160ºF). Top burgers with cheese slices, then place buns, cut sides down, on barbecue grate. Grill 1 min. or until cheese is melted and buns are toasted. Remove from barbecue.