Put chicken in zippered bag and pound gently with the flat side of a mallet until about 1/2" thick.
Cut each breast into 2 equal pieces.
Marinate chicken in the pickle juice for about an hour.
Beat together egg and milk in a bowl.
Mix together the flour, sugar, and spices in another bowl.
Heat the oil in a skillet to about 350.
Dip each chicken piece into the egg covering both sides, then coat in flour on each side.
Fry each chicken piece for 2 minutes on each side, or until golden and cooked through.
Place on paper towels to absorb any excess oil.
Then serve on toasted buns with pickle slices.