While in the Finder go to View>Sort By and (note what you have checked before making this change) choose "None". This should turn off "Snap to Grid" and whatever other arrangement options you have. See if this does what you want. If not you can always return to the previously noted options.

On a Mac since 1984.
Currently: 24" M1 iMac, M2 Pro Mac mini with 27" BenQ monitor, M2 Macbook Air, MacOS 14.x; iPhones, iPods (yes, still) and iPads.