#1 Preheat oven to 350 degrees F #2 Mix chicken with barbecue sauce, set aside #3 Layer tortilla chips on a sheet pan #4 Top chips with beans, chicken, queso and jalapenos #5 Bake in oven 10 minutes or until beans are warm #6 Serve with sour cream & pickled onions if desired #7 Place onions in heat proof bowl. Combine remaining ingredients in saucepan & bring to a boil. Pour liquid over onions and let cool to room temperature before serving, about 30 minutes. Leftover onions can be stored in refrigerator 4 days.