Preheat oven to 325°. In a large bowl, beat 1 cup butter and the cream cheese until light and fluffy, 5-7 minutes. Gradually add flour, beating until mixture forms a ball. Divide dough into four portions. On a lightly floured surface, roll each portion into a 12-in. circle. , Melt the remaining 1 teaspoon butter. In a large bowl, combine walnuts, 3/4 cup sugar, milk, vanilla, salt and melted butter. Spread over circles. Cut each into 12 wedges. Roll up wedges, starting from the wide ends., Place point side down on greased baking sheets. Curve ends to form crescents. Bake until lightly browned, 35-40 minutes. Remove to wire racks., Place remaining sugar in a small shallow bowl. Roll warm cookies in sugar.