Chasing Snowfall (Silver Rapids #1) by Anastasia Wilder:
 
The day Charlotte Adler decided to stop running from her past, she found herself in the sleepy town of Silver Rapids, Wyoming, trading a fancy high-rise in Boston for a small bungalow and a luxury SUV for a horse. As long as she kept a low profile, no one would find her— and no one would get hurt. Life as a ranch hand was uneventful enough, barring one the enigmatic man who had charmed her out of her panties over the summer and then vanished without a trace was back in town.

Maverick Bennett wanted a fresh start, away from the pressures that had plagued him. Even if that meant juggling two jobs, he was determined not to slink home in defeat. But his plans fell apart, and now he’s back in Silver Rapids, facing a different kind of the blonde-haired, blue-eyed bombshell who slipped through his fingers. Now, she's kind of his boss, he needs her help to keep a promise, and she’s hardened her heart. Losing her again isn't an option, and he'll do whatever it takes to keep her— even if it means confronting her demons until they’re dead and buried.

When you've spent your entire life chasing snowfall, what happens when your heart made of ice thaws?