Combine first 3 ingredients in a large bowl until blended. (Do not overwork meat mixture.) Shape mixture into 6 (4-inch) patties. Sprinkle with salt.
Grill, covered with grill lid, over 350° to 400° (medium-high) heat 7 to 8 minutes on each side or until beef is no longer pink. Top with Bacon Pimiento Cheese, and serve on buns with desired toppings.