Combine ground chuck, Worcestershire sauce and steak seasoning into a bowl. Form into 4 large patties and use your thumb to press an indent in the center of the burger. Refrigerate until ready to use.
Melt butter in a medium saucepan over medium heat. Then add in the sliced onions and cook, stirring occasionally, until caramelized.
Heat a grill to high heat and grill burgers for 5-6 minutes on each side or until they reach your desired level of cooking. Add smoked gouda cheese to the burger in the last 1-2 minutes of cooking.
Assemble burger by placing lettuce and tomato on the bottom bun. Top with the burger, a slice of bacon and heaping tablespoon of caramelized onions. Spread BBQ sauce, mayo or condiment of your choice on the top half of the bun, then complete assembly.