Divide the ground beef. Shape into 4 patties and season with salt and pepper. Place in a skillet that has been sprayed with nonstick cooking spray over medium-high and cook patties 3 minutes on each side. In the last minute of cooking, top the meat patties with cheese so it will melt.
In a small bowl, mix together the ketchup, sour cream and mayonnaise and spread half onto the hamburger buns and reserve the leftover for a dipping sauce for the French Fries. Place the burgers on buns and top with lettuce and pickles.