5. Layer the dip in a medium, straight-sided 3-quart glass trifle bowl or your favorite serving dish. Spread the cornbread on the bottom, then top, in even layers, with the tomatoes, beans, cheese, cilantro-lime sour cream, chicken chili, the remaining chopped onions and the corn-pepper mixture.
6. Wrap and refrigerate until chilled, at least 1 hour or overnight.
7. Serve with chips for dipping.