The SKS is a good BATTLE RIFLE. It is reasonable accurate at 100-150 meters. It is reliabl and robust. It used to be cheap. A couple of years before Bill Clinton introduced the executive order banning certain arms and ammo from China (This was not the crime bill but was about a year before), I saw them going for 50 bucks at Gun shows.
I would not consider it a great hunting rifle. For 180 bucksyou could get a marlin or winchester in 30-30 that would be a bit better and probably more accurate.
Stiil, it is used in Russia and surrounding countries to bring most of the big game they have there. Maybe because they believe in the quality or the cartridge, or maybe because they are cheap there.
I am sure you could bring down a deer or hog with one if you got within 100 yards and you hit the vital zone. But as far as I know there is no good way to scope an sks. The scope mounts that attatches to to the back spring cover never stay zeroed. So you would be shooting at game with open sights. But it can be done
Put a paper plate up at the 50 yard target at the range. When you can consistently hit it offhand, move it to 75 yards. Then 100 yards. If you can hit it at 100 yards4 out of 5 times, you can probably out shoot most of the guys in your deer camp.
good luck