Story by Kelly Kusumoto, photos by Colleen Cahill Shake Shack unveiled its newest item to an already difficult-to-choose-from menu. The “Hot Chick’n” sandwich made its debut and ever since it has been taking over sales at the King of Prussia establishment. Store manager Charlotte was kind enough to take a few minutes from her hectic schedule to tell us a little more about it. She said there had been more orders for the new sandwich than for their regular chicken sandwich and that it is on par with sales for their famous ShackBurgers over the past week. While we were waiting for our food, we overheard patrons say they’d rather…