01 - 
                In a large bowl, combine ground beef, sour cream, ranch dressing powder, crumbled bacon, shredded cheddar cheese, kosher salt, and coarse black pepper. Mix gently to incorporate; avoid overworking the mixture.
              
              
              
                02 - 
                Preheat a griddle or cast iron pan over medium-high heat and brush lightly with neutral oil. Shape meat mixture into three equal patties. Cook patties to desired doneness, turning carefully as the mixture is delicate.
              
              
              
                03 - 
                In a small bowl, mix mayonnaise, grainy mustard, and chili sauce together. Set aside for assembly.
              
              
              
                04 - 
                Toast the burger buns on the griddle until golden and warmed.
              
              
              
                05 - 
                Spread prepared sauce onto the buns. Layer with lettuce and tomato, place the cooked patties on top, and finish with the top buns.