Blackened Swordfish With Hominy Dirty Rice

8 ounce bulk pork sausage ¼ cup finely chopped onion 3 tablespoon finely chopped celery 3 tablespoon finely chopped green sweet pepper 3 tablespoon finely chopped red sweet pepper 2 tablespoon minced garlic 1 ½ cup chilled, cooked, white rice ⅔ cup chicken broth ⅓ cup hominy ¼ teaspoon black pepper ⅛ teaspoon cayenne pepper