Preheat your oven to 350° Fahrenheit. In a bowl, mix together the softened cream cheese, hot cooked chicken (warm it up if you are using leftover chicken), onion, milk, butter, salt and pepper. Take your crescent rolls, and pinch two of the triangles together to make squares. Put a spoonful of the mix in the center of each square. Make sure you put an even amount on each one. Add the bits of broccoli to the tops. Now fold the corners and sides of the crescent rolls and seal everything inside. Then press down lightly and slightly flatten it all together. Brush the tops with a bit of butter and sprinkle with crushed crutons. Bake for 25 – 30 minutes until the tops turn nice and brown. Enjoy!