Preheat oven to 350 degrees

Cook chicken and onion in butter in a large skillet, about 6 minutes. Season with chili powder.

Chop or shred chicken into small pieces.

Spread cream cheese over tortillas, top with chicken, onion, and picante sauce mixture and 2 tbsp. of shredded cheese.

Roll each tortilla and put in a 12x7 inch baking dish. Top with remaining shredded cheese and bake until cheese is melted, 15-20 min.