WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Location Of PCV Valve - 6.1L
Courtesy of DAIMLERCHRYSLER CORP.
The PCV valve (1) is threaded into the right-front corner of the intake manifold.