Corned Beef Sauerkraut Quiche

Name: Corned Beef & Sauerkraut Quiche
Ingredients: QUICHE; 1 9-inch all butter pie shell (below)…store bought (pictured) when in a hurry; 1 teaspoon caraway seeds; 1 cup sauerkraut (squeezed and drained a bit on a paper towel); 1/3 pound (5-1/3 ounces) corned beef, chopped; 2 cups Gruyere cheese, grated; 2 large eggs, beaten; 1 cup half & half cream or full fat; 1 tablespoon Dijon mustard; 1/2 teaspoon dry mustard; A little grated onion for the bottom of the crust; 1/4 fresh grated horseradish; 1 cup sour cream; ALL BUTTER CRUST; 1/2 cup unsalted butter, cubed and chilled; 1 cup plus 2 tablespoons all-purpose flour; 1/2 teaspoon salt; Ice water, between 4-6 tablespoons