Preheat oven to 375 degrees. Put dough into quiche pan and flute edges; sprinkle with caraway seed and bake 7 minutes. Fill shell with corned beef. Spread with mustard. Top with sauerkraut, then cheese. Mix eggs, cream, onion and dry mustard; blend well. Pour over contents and bake 40 minutes or until inserted knife comes out clean. Remove and cool for 5 minutes. Then serve. Serves 6 to 8.