Gather ingredients and preheat Gridiron grill.
Pour mayo in mixing bowl.
Add ketchup to mixing bowl.
Add mustard to mixture.
Add dill pickle relish to mixing bowl.
Add paprika and stir. Place in refrigerator.
In another bowl, add ground beef and egg white.
Add 1/2 cup of grated yellow onion to ground beef mix.
Add worcestershire sauce.
Add salt.
Add pepper.
Mix ingredients together and shape into 9 patties.
Place patties on grill and cook until no longer pink on the inside.
Flip patties. Cook 3-5 min on both sides.
Place one piece of sliced cheese on burgers while cooking.
Let cheese melt and remove patties from grill.
Spread special sauce on inner buns.
Add onions to buns.
Add patties to buns and enjoy!