In this Unreal Engine 5 tutorial, I'll show you two ways to displace your landscape to create footprints.
Full disclosure, I'll be using the Openland Toolkit to achieve this effect, but the good news is that it is free for noncommercial use and full of fantastically useful functionality...

00:00:00 Intro
00:01:05 Setup & Shadow Fix
00:06:22 Fake Displacement
00:23:34 True Displacement
00:52:46 Blueprint Overview

Download the Openland Toolkit at:
https://github.com/GDi4K/unrealopenland
This page has some great documentation and tutorial videos as well which I highly recommend.

To create the desert landscape, follow my tutorial at:
   • Unreal Engine 5  Create a desert lan...  

To create the desert dustcloud:
   • Unreal Engine 5  Create a Desert Dus...