the link needs to be inside the repeat region
change:
<a href="blog-details.php?ID=<?php echo $row_BlogRS['ContentPageSetOrder']; ?>">
<?php echo WA_getCMSContent($database_PowerCMSConnection, $PowerCMSConnection, 'Blog', 'Sidebar'); ?>
<div id="BodyText">
<?php do { ?>
<?php
include('/home/content/47/12083147/html/WA_CMS/addtosite.php');
echo WA_getCMSContent($database_PowerCMSConnection, $PowerCMSConnection, 'BlogPosts', 'BlogPostTitle', false, $row_BlogRS['ContentPageSetOrder']);
?><br/><br/>
<?php } while ($row_BlogRS = mysql_fetch_assoc($BlogRS)); ?>
to:
<?php echo WA_getCMSContent($database_PowerCMSConnection, $PowerCMSConnection, 'Blog', 'Sidebar'); ?>
<div id="BodyText">
<?php do { ?>
<a href="blog-details.php?ID=<?php echo $row_BlogRS['ContentPageSetOrder']; ?>"><?php
include('/home/content/47/12083147/html/WA_CMS/addtosite.php');
echo WA_getCMSContent($database_PowerCMSConnection, $PowerCMSConnection, 'BlogPosts', 'BlogPostTitle', false, $row_BlogRS['ContentPageSetOrder']);
?></a><br/><br/>
<?php } while ($row_BlogRS = mysql_fetch_assoc($BlogRS)); ?>