FWIW here is my take on your situation.

Since you don't have an amp and your laptop speakers kinds suck I wouldn't use the Rocksmith Cable. I would buy a Roland Micro Cube amp for $150 USD, sometimes they are on sale as a friend got one for $88 USD:
http://www.sweetwater.com/store/detail/MicroCubeGX

You can either play through the amp as you jam with BiaB or you can use the line out and play and record through your laptop. You could also use a mic and record the amp that way also.

I have a MicroCube and it is one fantastic little amp. In fact it is the only guitar amp I own!

I hope this helps - MarioD


I'm no longer allowed to go caroling at the psych hospital.
I guess Do You Hear What I Hear was a bad song choice!

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware