Replacing a resistor with a pot, quick question

[matmosphere]

So I know I can use legs 1 and 2 (or 2 and 3) as a resistor, but do I need to connect the third leg to ground? It cerainly seems like it wouldn't hurt, but is it necessary?

[mjg]

Nope, don't connect it to ground.  It mean you have a short to ground when you turn the pot to the right. 

You can leave it unconnected, or connect it to the middle leg. 

[EBK]

Connecting it to the middle leg is a standard practice.  It prevents the pot from acting as an open circuit in the event of an intermittent contact between the wiper and resistive trace from dirt or wear.

[matmosphere]

Thanks guys, totally makes sense now. Sorry, I'm a little off my game these days. I think the mental toll of the pandemic is finally starting to get to me.