One to One relationShip in laravel

Job Model

class Job_Model extends Model
{
    protected $table = "tbljobs";
    protected $primaryKey = "JobID";
    public $timestamps = false;

    public function OrderType()
    {
        return $this->hasOne('\App\Models\OrderType_Model', "OrderTypeID");
    }
}

Order Type Model

class OrderType_Model extends Model
{
    protected $table = "tblOrderType";
    protected $primaryKey = "OrderTypeID";
    public $timestamps = false;
}

Query

$Jobs = \App\Models\Job_Model::with("OrderType")->get();

I am retrieving all records from tbljobs table. but each record is not showing associated record from Order Type Table.

Am I missing something ?

dd() result

via Chebli Mohamed