Pumpkin Rugelach with Cream Cheese Icing

In a large bowl, cream butter, cream cheese and salt until blended. Gradually beat in flour. Divide dough into 3 portions. Shape each into a disk; wrap and refrigerate 1 hour. , Preheat oven to 350°. In a small bowl, combine pumpkin, 3 tablespoons sugar, honey and vanilla. Mix cinnamon and remaining 1 cup sugar. On a lightly floured surface, roll each portion of dough into a 14-in. circle. Spread each with a third of the pumpkin mixture and sprinkle with 1/4 cup sugar mixture., Cut dough into 12 wedges. Roll up from wide ends; place 2 in. apart on parchment-lined baking sheets, point side down. Whisk together egg and milk; brush over pastries. Sprinkle with remaining sugar mixture., Bake until bottoms are browned , 18-22 minutes. Remove from pans to wire racks to cool completely. In a small bowl, beat icing ingredients; drizzle over pastries. Let stand until set.