Can Someone help or advise?

[GunfighterLogistics]

Im a Hot Shot Driver. 2021 Ram 5500 4wd. Idles great, sounds normal. Shift into Drive or Reverse and immediately hear a ticking noise while sitting still. Accelerate and ticking stops. Thanks in advance

 

[flan]

Tough diagnosis over the ‘net. Any recordings of the sound?

 

[elephantrider]

need vid.

 

[pr3dict]

Interesting... I hear a ticking/rattling sound in park when I get out of the truck. 3500 HO Cummins.