Your friend and I are the last people you should be talking to about your situation. Make an appointment with your attorney now and explain that (I am guessing based on the context of your message) that your goals have changed, you do not want or cannot afford the property anymore, that you really want to sell it, and that you want to abandon the Chapter 13 filing.
However, if your goals are really to hang onto the property, then stop looking at short sales and deeds in lieu of foreclosure. If you cannot decide whether to keep or sell the property, stop and assess your goals. You cannot both keep the property and sell it.
If you are interested in selling the property (and what I am about to say is not a recommendation that you do) please see the Bills.com resource Home Affordable Foreclosure Alternatives Program (HAFA) to understand programs that may help you.
I hope this information helps you Find. Learn & Save.