A CKD is the BEST diet period for BB's over 8% BF. It will get you lean and you can actually gain muscle while losing fat naturally. If you do it right, you will not be hungry, like with a traditional diet, and your energy levels will be much more stable. You have to understand that the human body is built to function in ketosis. It is catabolic to fat, but muscle sparing due to the fact that muscle cannot be turned into ketones, only fat can.
The types of foods to eat: 1)Red meat, 2) Casein, 3) Salmon, 4) Chicken, 5)Flax oil, 6)Olive oil. These are some examples. In the beginning stay away from whey protein as it's easily converted to glucose. You can add it in later.