"...rather not have to chase around all that..." That's what brooms are for.
For $300 you're looking at used. Most new .22 revolvers run around $600. A lot of .22 revolvers are prohibited due to barrel length too.
A revolver needs to fit your hand properly. Where are you in Ontario? It'd be best to go look at a few and try 'em on for size. Mind you, a revolver won't be competitive for bullseye shooting.
Shooter's Choice, in Waterloo, is listing Ruger Super Single Sixes. Goble's, in London and Tillsonburg, is listing Ruger and Taurus .22 revolvers(one of 'em just under $500 with a 5" barrel). Epp'sis listing a S&W 617, 10 shot revolver but not in your price range.