2001 Chevy Cavalier Noise and spinning question

I recently had my tires rotated. Very shortly after it was done I started to get a "rubbing" type noise from the driver's side front wheel. I took it back to the place the rotation was done. They hoisted the car up with a person inside. He put it into drive and accellerated a bit so they could tell what kind of noise it was making. While the front passenger tires was spinning when the car accellerated the driver side front tire (the one the noise was comming from) was not spinning at all. I am wondering (in your opinion) if you thought it was a wheel bearing problem or something more serious, and thus more costly.
Any help would be so greatly appreciated!
Thank you!!