In a large bowl, combine the first five ingredients. Crumble chicken over mixture and mix well. Shape into four patties.
Grill burgers, covered, over medium heat for 4-6 minutes on each side or until a thermometer reads 165° and juices run clear. Top with cheese; cover and grill 1-2 minutes longer or until cheese is melted. Serve on buns with avocado, jalapeno and salsa.
Wear disposable gloves when cutting hot peppers; the oils can burn skin. Avoid touching your face.