Chicken Pot Pie Pizza



1 pound pizza dough
1 large chicken breast, cooked and diced
2 tablespoons butter
1/3 cup yellow onion, diced
1 carrot, diced
1 teaspoon fresh thyme, chopped
3/4 teaspoon kosher salt
1/4 teaspoon black pepper
3 tablespoons flour
3/4 cup low sodium chicken broth
1/2 cup skim milk
1/3 cup frozen peas
1/3 cup frozen corn
1 1/2 cups shredded part skim mozzarella cheese
1/3 cup shredded parmesan cheese
Flat leaf parsley and fresh thyme for garnish (optional)