$200 for a new in box sccy 9mm is a decent price these days. from my brief acquaintance the sccy seems to be an inexpensive, decent, utility sidearm for someone who really wants just one 9mm semiauto pistol to have around more than shoot alot, but doesn’t have alot of coin.
not knowing o.p.’s firearm situation it’s hard to offer meaningful advice, but if wanting a plinker i would get something chambered in 22lr and also get more mags to simply practice more with my sig. i see that o.p. is in arizona, where there should be federal land open to outdoors plinking. an inexpensive 22lr semiauto rifle would be good fun too.
a decent 22lr pistol, e.g. ruger sr22, taurus tx22 or s&w m&p compact 22, will cost $300ish. ruger 10/22, marlin 795, and the mossberg & rossi clones are some good 22lr semiauto rifle options in descending price order. even if a 22lr plinker costs well over $200 the cost of 22lr plinking ammo is much lower than 9mm.