5 bacon slices, chopped 1 cup chopped onion 1 cup thinly sliced carrot 1/2 cup thinly sliced celery 1 tablespoon fresh thyme leaves 1 (8-oz.) package presliced cremini mushrooms 4 garlic cloves, minced 4 cups unsalted chicken stock 1 cup water 4 cups lightly packed chopped curly kale 1 teaspoon kosher salt 1/2 teaspoon black pepper 6 ounces shredded skinless, boneless rotisserie chicken breast (about 1 1/2 cups) 1 (8-oz.) package precooked wild rice (such as Simply Balanced) 1 cup half-and-half 1 1/2 ounces all-purpose flour (about 1/3 cup)