A bystander captured the confrontation on a video that circulated widely. The encounter came about during an eviction when Bonar thought there was an active warrant for Morris' arrest.
Bonar was first indicted on felony aggravated assault charges last year. He pleaded guilty to the lesser charge in February after a new indictment was issued.
In his agreement with prosecutors, the charge will be dismissed upon completion of the probation terms. He was also ordered to attend anger management counseling and to complete 80 hours of community service.
The video did not capture the entire encounter, including a struggle between the two that involved a hit to his groin, Bonar said.
Bonar did what he was trained to do, said Marc Victor, his attorney.
"He delivered a disruption blow with exactly the amount of force that he was trained to use in this circumstance," Victor said. "Indeed, it did work. And he was able, with the help of another officer, to get her under control and make the arrest that he was entitled to make."
Benjamin Taylor, the attorney representing Morris, told The Arizona Republic that his client did nothing wrong. He said Bonar was given special treatment.