are you just using it for recording samples?
i've used an rc-2 for this, one thing to note f, if you use the overdrive on your amp and you wish to play a sample like a voice clip, it will all distort (this may be intentional)
I'm sure your orange will have an effects loop so put the the output of the rc-3 into the the return of the fxloop, this way the samples will play clean allowing you to keep riffing.