Depends on what shape its in but $250-$300 is a good price if its decent.
Strum Ruger made many 22 caliber hand guns. It would help if you Identified the model
You don't define what "better" means to you. Price? Size?
Yes
can i be a police officer with only one hand
Strong enough for factory loaded ammunition and hand loads that don't exceed SAMMI standards.
75-200 USD
50-500 USD depending on specifics
Yes, you are required to hand over your driver's license to the police when requested.
45/70, 460 S&W , 480 Ruger, 454 Casull
The right hand is the correct hand for saluting in the Canadian military and police forces.
polsf
10-500 USD or so depending on the specifics.