Heat oven to 350 degrees. Cook and stir onion in large skillet until tender. Stir in chicken, 1/4 cup of picante sauce, cream cheese and cumin; cook until thoroughly heated. Stir in 1 cup of cheese.

Spoon about 1/3 cup chicken mixture in center of each tortilla; roll up. Place seam side down in 12 x 7 inch baking dish. Top with remaining picante sauce and cheese. Bake 15 minutes.