Broccoli Cheddar Chicken Pot Pie

INGREDIENTS

1 14 ounce package

refrigerated pie crust, bring to room temperature per instructions

2 tbsp

light butter or butter

green onion, chopped

1 cup

whole milk, plus 3 Tbsp

4 oz

onion & chive cream cheese, softened

1 1/2 tsp

garlic salt

1/2 tsp

black pepper

1/8 tsp

ground mustard

2 tbsp

all-purpose flour

2 cups

shredded sharp cheddar cheese, divided

3 cups

rotisserie chicken, roughly chopped

1 1/2 cups

broccoli florets, steamed crisp tender and chopped

large egg, beaten with 1 Tbsp water