Soak the tortillas in 1 cup of the broth. Grate the cheese.
Combine the remaining 1⁄4 cup broth with the sour cream.
Layer the ingredients in a casserole dish as follows: single layer of soaked tortillas, Spicy Chicken, sour cream mixture, cheese. Repeat until all the ingredients are used. Sprinkle with paprika.
Cover and refrigerate at least 8 hours.
Preheat oven to 350°F. Bake the dish, uncovered, for 1 hour.