1.Log in to your dashboard--> Design- -> Edit HTML

2.Click on "Expand Widget Templates

3.Scroll down to where you see this

<data:post.body/>

4.Copy one of the code below and paste it immediately after the line <data:post.body/>

Code 1

<div style="float:left; margin-right:3px;"></div>
<div class="js-kit-rating"
expr:path="data:post.url"
expr:permalink="data:post.url"
expr:title="data:post.title">
</div>
(result of above code in the form of "stars")

Code 2

<div style="float:left; margin-right:3px;"></div>
<div class="js-kit-rating"
expr:path="data:post.url"
expr:permalink="data:post.url"
expr:title="data:post.title" view="score">
</div>
(result of the above code in the form  of "LIKE UNLIKE")


7.Save Templates

Now you are done