Came across a circuit with current flowing from Low to High potential across a resistor (electrons moving from high to low potential)

What you have drawn is the equivalent circuit for a small signal response.

I can only guess what the original circuit looks like but it might well be that the bottom end of the load resistor $R_{rm L}$ is connected to the positive terminal of the voltage source $+V_{rm S}$ which provides the bias voltages/currents.

This means that the actual current is the bias current (flowing from a positive to a negative potential) minus a small signal current due to the small signal input voltage to the device $v_{rm in}$ with $V_{rm s} gg v_{rm in}$ and flowing from a high potential to a lower potential..