Preheat oven to 350°. On a lightly floured surface, divide dough into four portions. Roll each into a 6-in. circle. Spread 1/4 cup sauce over half of each circle to within 1/2 in. of edge; top with 1 tablespoon mozzarella cheese. Fold dough over filling; pinch edges to seal. Place on a greased baking sheet., Brush milk over tops; sprinkle with Italian seasoning and Parmesan cheese. Bake until golden brown, 20-25 minutes.