#Aril hawk_ I bought my regular size #3 grip but took off that spongy syntax grip for a leather one. The racket seems to be a true fit with this. So you are on the right track but I wouldn't down size it unless you are prepared to add a couple layers to it.
How many ppl are playing the reg PD compared to the PDR
2 x 2012 Babolat PDR strung with Wilson Ng/4g @ 56/52