Surely you'll get the noise of the diff? Driving home tonight I was getting a quiet whistle, again increasing in sound with speed. I get a lot of road noise from my tyres so finding something is hard, I do also have a rattle in the same corner, done the drop links, that's why I thought it could be the bearing, unless there is other known faults on the rear end suspension? Looked all over the forum and found nothing which relates 😩