1/2 cup chopped celery 1/4 cup sliced fresh mushrooms 2 tablespoons butter 1 (6 ounce) package fast- cooking long grain and wild rice mix 1 (14.5 ounce) can reduced- sodium chicken broth | 1/4 cup water 2/3 cup sliced water chestnuts, chopped 1/2 cup dried cranberries 1/2 cup chopped green onions 2 tablespoons reduced-sodium soy sauce 5 Cornish game hens |