The picture is not clear enough to distinguish the species, let alone family, of the spider. Wolf spider is a good guess. Wolf spiders have a distinct eye pattern:
It is definitely NOT a tick.
Spiders may be creepy but most species are not dangerous. I learned in arachnology that all spiders are venomous, but not all spiders have the ability or inclination to bite people. But there are species that bite people. The dangerous species are well known, but not always easily identified - widows, violin, yellow sac, & hobo spiders.
IMO, pesticides are not the first choice of control for spiders. Good housekeeping (=vacuum), window screens, door jams & thresholds, and a rolled up magazine will keep spiders out of the house. Spiders are different than insects. Their physiology and habits don't make them easy to kill for fumigant, or residual insecticides.
Websites:
USA Spider ID Chart
UC IPM
Illinois Dept of Health