Creamy Chicken and Wild Rice Chowder

Ingredients: 1 (6 oz.) package long grain and wild rice mix, with seasoning packet 3 cup sliced small white mushrooms 1 cup chopped onion 3/4 cup thinly sliced celery 3/4 cup coarsely shredded carrot 1/4 cup butter 2 (12 oz.) can PET® Evaporated Milk 2 (12 oz.) can PET® Fat Free Evaporated Milk 2 (14.5 oz.) can chicken broth, divided 3/4 teaspoon pepper 1/2 teaspoon salt 1/2 teaspoon dried thyme leaves 1/3 cup all purpose flour 2 cup diced cooked chicken