There are so many variables from person to person that your just gonna have to try several, before you find what your looking for. It seems that we all end up with a box of holsters that we no longer use.
I will say this, Small of the back carry is hazardous to your health. If/when you get knocked on your backside, it is very likely to be injured. And frequently injured badly/permanently.
Small of back carry also prints easier and is near impossible to defend against a snatch.
Just some thing to think about!