(CNN) Abigail Arias is a little girl who had a big dream: to become a police officer. And on Thursday, that dream came true when she was officially sworn in as an honorary officer in Freeport, Texas.

The 6-year-old has Wilms tumor, a type of kidney cancer in children.

"The chemo and radiation hasn't worked and basically the family is now leaving it in God's hands and praying for a miracle," Freeport Police Chief Raymond Garivey Jr. told CNN.

"They basically said it's time to enjoy some life," her mother, Ilene Arias, told CNN affiliate KTRK . "Extremely tough. We cried for a few weeks."

Garivey met Abigail back in December at the police department's "Pancakes with Santa" event. During the meeting, the girl expressed her desire to become a police officer when she grows up.

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