Hungarian Sajtos Pogácsa (Cheese Biscuits)

Ingredients

• 3½ cups all-purpose flour
• 1 cup grated cheese
• ½ cup unsalted butter
• ½ cup sour cream
• 1 egg
• 1 tsp salt
• 1 tsp sugar
• 2¼ tsp active dry yeast
• ½ cup warm milk
• Caraway seeds, optional
• 1 egg, for brushing