Heat oven to 350°F. In medium bowl, mix cream cheese and 1 tablespoon softened butter; beat until smooth. Add chicken, chives, salt, pepper, milk and pimientos; mix well.
Separate or cut dough into 4 rectangles. If using crescent dough, firmly press perforations to seal. Spoon 1/2 cup chicken mixture onto center of each rectangle. Pull 4 corners of dough to center of chicken mixture; twist firmly. Pinch edges to seal. Place on ungreased cookie sheet. Brush tops of sandwiches with 1 tablespoon melted butter; sprinkle with crushed croutons.
Bake 25 to 30 minutes or until golden brown.