Southern-Style Dill Pickle Chicken Fritters

1 pound boneless, skinless chicken breasts, finely chopped
1 cup dill pickles, finely chopped
1/2 cup all-purpose flour
1/2 cup cornmeal
1 teaspoon baking powder
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/4 teaspoon cayenne pepper
Salt and pepper to taste
2 large eggs, beaten
1/4 cup milk
Vegetable oil for frying