2026 Upgraded Dog Ramp for Couch, Foldable Small Dog Ramp for Sofa, 4 Adjustable Height from 13'' to 21", Portable Stable Pet Steps with Non-Slip Pad, Pet Ramps Use for Sofa Couch Stairs

I don't know what your budget for ramps is but this one is one we're using and it is relatively affordable and stable enough for a dachsi. https://a.co/d/07o9yROw Alternative you can build your own little ramp by using a bunch of pillows or something. Stack them to form some light steps. We used sofa cushions for a while. Worst case just block off access to the couch or whatever he climbs on. We put a little gate in front of ours for a while just to prevent our girl from jumping up and downs. Or put the sofa cushions down flat so it's too high to jump on. Or block with any other stuff you have laying around that just makes it impossible to jump on .