That is an EBP sensor. Should be connected to the tube coming off passenger side up pipe, Back of the intake on the passenger side.
JCain, in the first picture you posted, see the stainless steel tube that's back by your down pipe, has the almost 90 degree bend in it? That's the sensor he is speaking of.
The other wiring connector you have a picture of is the connector for your VGT, which I assume is not being used if you have a non VGT setup.
Only egr sensor on the truck would be an EGT sensor.