How can I get over decision paralysis for picking a grammar resource?

in the end you should just bear in mind that almost all resources overlap with each other.
When there is a plethora of resources available you kinda start to have that delusion that you are just wasting your time with x resource, y probably is better. Then you encounter someone who never used xy and he reached fluency by z.

In reality they all are pretty much the same( especially n5/4) it just comes down to how you prefer consuming content.
Bunpro/tae kim/jalup/anki with dojg sentences/genki/cury dolly/tokiniandy genki youtube- doesnt matter. Just look through all of them, find the one that suits you and just forget about the rest.