Fried Quail with Biscuits and Gravy

Name: Fried Quail with Biscuits and Gravy
Ingredients: 2 pounds whole quail (8 to 12 quail); 2 cups buttermilk; 3 cups all-purpose flour; 1 tablespoon seasoned salt; 2 teaspoons chili powder; 1/2 teaspoon cayenne pepper; Kosher salt and freshly ground black pepper; 3 cups shortening; 2 tablespoons salted butter; All-purpose flour, as needed; 4 tablespoons salted butter; 2 teaspoons freshly ground black pepper; 1 teaspoon kosher salt; 4 cups whole milk, or more as needed; Canned, frozen or homemade biscuits of your choice, baked and ready to eat