DH loves all things spicy and fattening. I'm trying to get him to eat healthier, and have introduced him to a lot of healthy vegetable-filled dishes. But he still like Cajun and southern dishes that are traditionally made with fatback and other fatty animal parts. I do not like hamhocks or fatback, so I usually don't cook with them. And I'm satisfied with the flavor of less fattening foods. But DH is not. So when I cook for him, I have to find a way to keep the dish very flavorful for him while using lower-fat ingredients.
My dirty rice recipe uses just a touch of olive oil for fat. I've omitted the traditional fatback. For flavor, I add different vegetables and a touch of vegetable broth with the seasonings. Instead of pork sausage, I use lean smoked chicken sausage from Trader Joe's. Also, since dirty rice looks kind of reddish brown, I swapped in brown rice for the white rice. Aside from the slightly nutty flavor of brown rice, it's really hard to tell the difference in this dish. It just looks the same.
I must warn you, I use a lot of Tony's seasoning since DH likes things really spicy. If you don't like the feeling of your throat and tongue being on fire, reduce the amount of Tony's and omit the red pepper. Reduce the black pepper by half.
Also, I use dried red beans because I like the flavor you get when you cook and season them yourself. But if you are in a hurry and don't have the 3 hours to cook the beans, then substitute canned beans. They work just as well.
The recipe and a slide show of the beans cooking can be found on my webpage: http://www.examiner.com/x-24872-St-Louis-Budget-Meals-Examiner~y2010m5d10-Dinner--Dirty-rice