On nights like that you need something quick and ready to whip together or if you have a little more time, a recipe you can tweak to suite your own fine culinary needs. This one fits that bill.
Add the chili powder, cumin, cinnamon, and salt. Toast for 30 seconds until fragrant. Add the tomato and cilantro and cook about 2 minutes longer, until liquid starts to dry.
Stir in the chicken and sour cream and remove from heat. Arrange your tortilla with refried beans in the center, leaving a 2" border around the tortilla edges.