inbox me if you're interested, or shoot me a text. number's in my profile. u-joints can squeak when the go bad but usually knock or vibrate. the bearing normally howls, but if the insulator is bad it could squeak. kinda hard diagnosing noises whe you can't hear them for yourself, but from your description i would lean toward the bearing.
......And just as they're about to catch me.....Twin......Turbos......Kick.......In!