Combine ground beef, green onions, garlic powder and cayenne pepper; form into 4 patties. Sprinkle both sides with steak seasoning. Cover and chill. (These can be made several hours ahead.)
Brush buns with melted butter, set aside. Mix barbecue sauce with honey in a small bowl; set aside.
Preheat grill (medium-high heat). Grill burgers to an internal temperature of 160°F, about 4 to 6 minutes per side. Two minutes before burgers are finished, grill buns, butter side down, until golden brown. Place Borden® American Cheese Singles on burgers to melt.
Serve each burger on a buttered bun topped with 2 slices crisp bacon and onion rings, honey barbeque sauce, lettuce and tomato.