Here's a great site that dispels some of the myths you might find in this thread by people who maybe have not researched a raw diet:
The Many Myths of Raw Feeding
And by the way, a raw diet averages about 18% protein so not so high. Some people think because it's meat that means high protein. In reality a raw meat is not just protein ie water, fat etc....
Here are some good articles I found about kidney disease and a protein:
Are high protein diets harmful to a dog's kidneys? Focusing On Protein - Nutrition Related - ThePetCenter.com - The Internet Animal Hospital
I'd also encourage you to check out this site and perhaps post your question there... I bet there are many people on that site in the same boat as you are....
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