The '06-'10 Ram uses a 9.25" front diff, the WK uses a c200 closer to a 7.9" front diff, nissan also uses a front diff called c200 in the Frontier and Xterra, Im not 100% sure if they are the same or not. Jeep screwed us by not just giving us the Dana 30 from the Liberty.
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2007 WK Laredo
OME HD / Bilsteins / RRO UCA / Toyo AT2 on Moabs / Volant / Viper TB / Powerwire / TB Ground / Sprint Booster / JKS Rear Discos / Asfir Skid / Apsen Creek Skid / Front Shackles / Rear Sliders / Cobra CB / S4xC Antenna Mount w/ 2' Firestix