Downbound Wayfarer (2019)

Kyle Hellman is found in the middle of the desert by hermit Horace von Clunk, who amputates Kyle's right leg after he discovers that Kyle has been bitten by a rattlesnake. Kyle is desperate to go back to the nearest town, which is miles and miles away, in spite of his inability to walk properly. What ensues is a very challenging and painful experience for Kyle, who is affected physically and mentally as he struggles to get across the vast and desolate landscape.