Roasted Quail with Savory Apple and Cheddar Croustade

Name: Roasted Quail with Savory Apple and Cheddar Croustade
Ingredients: 5 MacIntosh apples, peeled and cored; 6 tablespoons unsalted butter, divided; 1 1/2 tablespoons, plus 1/2 tablespoon, plus pinch finely chopped fresh herb mix (recommended: a blend of sage, thyme, and rosemary); Salt and freshly ground black pepper; 6 disks pre-made pie dough, each 6-inches in diameter; 1 cup grated extra-sharp cheddar cheese, divided; 1 cup fresh fennel, thinly sliced; 6 boned quail, breast bones removed; 1 1/2 cups plus 1/2 cup red wine; 3 tablespoons dried blueberries; 2 tablespoons vegetable oil; 1 cup chicken stock