Preheat oven to 375°. Separate crescent dough into triangles. Place hot dogs at wide ends of triangles and roll up. Place on an ungreased baking sheet. Combine egg and water; brush over rolls. Sprinkle Hidden Valley® Original Ranch® Seasoning & Salad Dressing Mix Shaker and caraway, if desired, over tops. Bake until golden brown, 12-15 minutes.