Mini Chicken Pies - Bite-Sized Comfort in Every Crust!

Name: Mini Chicken Pies - Bite-Sized Comfort in Every Crust!
Prep time: 30 min
Cook time: 40 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 2 cups cooked chicken, shredded; 1 cup frozen mixed vegetables (peas, carrots, corn, green beans), thawed; 1/2 cup onion, finely diced; 1/3 cup unsalted butter; 1/3 cup all-purpose flour; 1/2 teaspoon salt; 1/4 teaspoon black pepper; 1/4 teaspoon dried thyme; 1 3/4 cups chicken broth; 2/3 cup milk; 2 sheets of puff pastry, thawed if frozen; 1 egg, beaten (for egg wash)