1In a small bowl, combine the softened butter, dill, salt, pepper, and red pepper flakes. Stir to evenly mix.
2Spread the mixture on one slice of bread. Top with shredded sharp cheddar, 2 slices of American cheese, ham, pickle coins, shredded fontina, and 2 more slices of American cheese.
3Close the sandwich with the other slice of bread.
4Spread mayonnaise on the outside of the sandwich.
5Grill the sandwich in a pan until golden brown and the cheese is melted.
6Add dill pickle potato chips to the sandwich before serving.