Cheddar Biscuit Chicken Cobbler

Ingredients

• 1/4 cup unsalted butter (melted)
• 4 cups shredded rotisserie chicken
• 1 15 ounce package frozen mixed vegetables
• 1 teaspoon chopped fresh thyme (plus more for garnish)
• 3/4 teaspoon freshly ground black pepper
• 1 teaspoon kosher salt
• 1 10 1/2-oz. can cream of chicken soup
• 1 1/2 cups chicken broth
• 1/2 cup heavy whipping cream
• 1 package cheddar biscuit mix (such as Red Lobster Cheddar Bay Biscuit Mix)