Fry ground beef in a large pan over medium heat. Drain grease, add spices, onion and kidney beans.
Dice the tomato and the cucumber, and mix together with the Italian dressing. (Keep for part of your taco topping.)
Cook on medium heat until everything is tender and hot. Add to the top of the fry bread and top with any of the following: shredded cheese, black olives, shredded lettuce, cilantro, sour cream, etc.