As others have said, a split CV joint makes a real mess, and you've already ruled out brake fluid. From your description of the sound and the ABS light, the likely culprit is the bearing, and since it was only replaced a few weeks ago, it looks like they didn't fit it correctly or damaged it. When you get a chance, jack the wheel up and try and move the wheel East-West and then North-South to see if there's any movement.
If it's really bad, you'll know as soon as it clears the ground. My father had a Ford Escort Mk 3 many years ago. We had just done around a 160 mile trip around the roads of Donegal and he took it to a mechanic because 'it didn't feel right'. The wheel fell off as it was jacked up!
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2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts
My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts
Sold!  2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights
My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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