Yes I would obtain myself and just install it myself, then take it to the dealer for coding.

The module is right by the battery area or in the spare tire compartment I think.

Coding the module shouldn't be more than an hour labor, 300 bucks for install and coding is a ripoff in my opinion

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards