Why waste a CRF on a prairie dog, save it for the real hunting.
I have shot prairie dogs, ground squirrels, and rock chucks with a lot of different rifles, shotguns, and handguns over the last 45 years.
For rodents I like the Ruger #1V in downloaded 223 for up to 100 shots per hour and the Ruger 10/22 in 22LR with bull barrel for more than 100 shots per hour or for fence climbing walking around.
I have given up on bolt actions, break actions, pump actions, lever actions, 17M2, 17HMR, 19 Badger, 220 swift, 243, and pellet guns.