Is the time right to sell on Clay Buchholz?

This is a 10 team weekly H2H dynasty league (30 rostered, 20 keeper each year)

I'm possibly giving up Buchholz and Chipper Jones to get Pablo Sandoval.  What ticks me off, is that I knew to draft the Panda and passed because I wasn't sure he'd stay at 3b.  Is that still a legit concern? I see him there for 2-3 years.

I have plenty of pitching (Lincecum, Billingsly, Nolasco, Danks, Cueto, Cecil, Vasquez, Lilly, Baker, K-Rod +more worthy starters that will not be keepers .. Smoltz, Wakefield - others Rondon, J.Parker)

I have Chipper and Michael Young to play at 3b now.

Is this a good move for the long run? now? How valuable is Buchholz... the walks and mental game concern me.

Roster:

Wieters, Montero

Votto, Berkman

Roberts

Drew, E.Andrews

Jones, Young

Markakis, J.Upton, Kemp, Manny

Thanks for your thoughts on the trade, league, team...

~Moonlighter