A Baby for the Cowboy by Linda Goodnight

Even with shorter hair and with fourteen years added to her age, Emily looked as beautiful as ever standing there in the faded evening. A man didn’t forget some things, no matter how far he ran.
She’s had one too many broken hearts.
Emily Caldwell never expected to be a widow before she was thirty. She’s put the past behind her and now focuses all her energy on her job as a social worker. When her close friend dies in a tragic accident and leaves behind an infant son, Emily’s past and present collide—in the form of a prodigal cowboy.
His unexpected blessing…
Rodeo cowboy Levi Donley is ready to settle down—just not in his hometown. Especially not on the ranch where the worst memories of his life were made. No way. Not ever. When he discovers his deceased brother left behind a newborn, all his plans come to a halt. Emily is back in the picture as the baby’s temporary guardian, and it isn’t long before all his old feelings get reignited.
…might be the reason to stay.
Emily needs a miracle to convince Levi to stay in Calypso County. Could a tiny baby—and her love?—be miracle enough?