I was looking for the original post I got the link from, but search catch can brings up a 100 threads here haha.
I personally have this one. it seems good for the price and catch oil on my truck. which doesn't have any blow by issues and is new enough it should have the updates valve cover baffling. so I believe it's withing OK, would a 300$ one work better? maybe but this truck isn't getting it haha. my c6 goes have a more expensive 3 port, but it's pretty similar inside filtering wise.
EVIL ENERGY Baffled Oil Catch Can,Oil Separator Catch Can 300ml Universal Aluminum Black
https://a.co/d/dQU8lcp
this one is also used in threads around here for even less.
PQY Oil Catch Can Baffled 2 Port Oil Catch Tank Kit With Drain Valve Universal Oil Separator Reservoir Tank
https://a.co/d/5Y0yIn5
add one, do the oil soak treatment donjetman recommend and you'll probably have a much happier engine if you're blowing oil up the dip stick tube. which is pretty wild amount of blow by