2014 Mazda CX-5 Bad Wheel Bearing - Noisy- Best way to Diagnose

Hello all, as with most of my automotive life, as soon as I get close to having two fully working vehicles, one decides to have a problem.

My 2014 CX5 Touring AWD has a pretty loud wheel bearing noise and it’s getting loud enough that I can’t mask it with the radio anymore.

I jacked each corner up and checked for play in the bearings and saw nothing. I also did the back of my hand test on the wheel hubs after a long drive to see if any of them were hotter than the others. No noticible difference. I might try the thermal camera I have kicking around.

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I didn’t feel any grinding or anything like that when I tried turning the wheels by hand.

Anyone have a foolproof method?  Note: the noise goes away when I turn right.  

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