In 2005, she released her debut single, "I Don't" (co-written with Clay Mills and Burton Collins). The song peaked at number 28 on the U.S. "Billboard" Hot Country Songs chart. Peck then released her eponymous debut album in June 2006. The album peaked at number 23 on the "Billboard" Top Country Albums chart and produced two more Top 30 singles in "Findin' a Good Man" (her highest-charting single to date) and "Isn't That Everything". Also in 2006, Peck took part in a duet with fellow country singer Jack Ingram on his 2006 album "", titled "Never Knocked Me Down," which was an audio excerpt from the CMT program "Outlaws 2005".