Cook meat & drain well. (Be sure chicken is diced.)
Remove pan from heat.
Add chili powder, cumin, and kidney beans to the pan. Mix well and set aside.
In a small bowl, combine ingredients for the dressing.
Pour over meat mixture.
Cover and cook on low heat to blend flavors, about 5 minutes.
Chill, 30 min to 1 hour.
Just before serving, combine salad ingredients in a large bowl. Toss in meat mixture.
Top with crushed tortilla chips, if desired.